Know Everything about a Website using QuarkBase
QuarkBase is a nice Web Service which tells you almost everything which you want to know about a Website or Blog. The information such as traffic details, Technical info etc are presented in a clear manner.
It shows you everything you want to know about a Website such as information about Domain and publisher, the traffic details, no of posts submitted to digg/Delicious etc, traffic rank. It even shows you the post which has been popular recently and where the majority of visitors to site comes from. Domain information such as when it expires, what type of Web server is running are also provided.
The best thing is how the information is presented. Do check it out if you want complete information about a Website in a single place.